A223257 - cp's OEIS frontend

A223257 Triangle read by rows: T(0,0)=1; for n>=1 T(n,k) is the denominator of the coefficient of x^k in the characteristic polynomial of the matrix realizing the transformation to Jacobi coordinates for a system of n particles on a line.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	1
7	6
8	6
9	1
10	1
11	12
12	24
13	12
14	1
15	1
16	60
17	120
18	120
19	60
20	1
21	1
22	20
23	180
24	720
25	180
26	20
27	1
28	1
29	140
30	126
31	1680
32	1680
33	126
34	140
35	1
36	1
37	280
38	10080
39	10080
40	40320
41	10080
42	10080
43	280
44	1
45	1
46	2520
47	10080
48	1296
49	3456
50	3456
51	1296
52	10080
53	2520
54	1

[1, 1, 1, 1, 2, 1, 1, 6, 6, 1, 1, 12, 24, 12, 1, 1, 60, 120, 120, 60, 1, 1, 20, 180, 720, 180, 20, 1, 1, 140, 126, 1680, 1680, 126, 140, 1, 1, 280, 10080, 10080, 40320, 10080, 10080, 280, 1, 1, 2520, 10080, 1296, 3456, 3456, 1296, 10080, 2520, 1]

cp's OEIS Frontend

A223257 Triangle read by rows: T(0,0)=1; for n>=1 T(n,k) is the denominator of the coefficient of x^k in the characteristic polynomial of the matrix realizing the transformation to Jacobi coordinates for a system of n particles on a line.

Table of values

List of values